Also for: Rti a5, Rti a3, Rti a7, Rti a9, Rtia3c. Buy Polk Audio RTI A9 Floorstanding Speaker (Single, Cherry): Floorstanding Speakers Amazon. com FREE DELIVERY possible on eligible purchases Hi folks, New guy, here. I've just now learned of the Polk Audio RTi A9 and I'm doing some research on these speakers. Polk RTi A9 Speaker System Page 2 First, I positioned the left and right RTi A9s on either side of my projection screen, which I later retracted when the test material was music only.

pdf; Key Features. RTiA9 cabinets are designed for clean, accurate sound. The two 5 14inch midrange drivers are housed in their own tuned internal enclosures for increased clarity and lifelike detail. 2018 Polk Audio. Polk RTi A9 Speaker System Thomas J. Norton Sep 8, 2008 Every audio reviewer thinks back on specific products and sometimes wishes that he or she bought them following the review.